870878260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{6367}}^1$

素因数の和:7360

約数の個数: 48

約数和(自身を含む): 2092575744

約数和(自身を除く): 1221697484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 977, 1954, 3908, 4885, 6367, 6839, 9770, 12734, 13678, 19540, 25468, 27356, 31835, 34195, 44569, 63670, 68390, 89138, 127340, 136780, 178276, 222845, 445690, 891380, 6220559, 12441118, 24882236, 31102795, 43543913, 62205590, 87087826, 124411180, 174175652, 217719565, 435439130, 870878260]

約数ペア:

[(1, 870878260), (2, 435439130), (4, 217719565), (5, 174175652), (7, 124411180), (10, 87087826), (14, 62205590), (20, 43543913), (28, 31102795), (35, 24882236), (70, 12441118), (140, 6220559), (977, 891380), (1954, 445690), (3908, 222845), (4885, 178276), (6367, 136780), (6839, 127340), (9770, 89138), (12734, 68390), (13678, 63670), (19540, 44569), (25468, 34195), (27356, 31835)]